SDCRE2 family
SDCRE2_a014_vBusIrrational
Powertrain requires service
What does the SDCRE2_a014_vBusIrrational alert mean?
Secondary disconnect controller (SDC) HV bus voltage sensor is providing irrational values.
What you'll see in your Tesla
- Powertrain requires service
- Vehicle speed and power may be limited
What triggers it
HV bus voltage measurement is low while HV backup rail is up.
When it clears
HV bus voltage measurement is within rational / expected range.
Potential impact
Pyro disconnect may not function as expected.
Affected models
Semitruck
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Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.